An icon reborn with cutting-edge material : marbled stainless steel Damascus. If you're looking for a slim, smooth watch with an authentic '70s feel, look no further than the Prx Powermatic 80. Created for those with an eye for design and packed with twenty-first century features in a Tissot case shape from 1978, the Prx is a must-have on every watch fan's wish list. The self-winding Powermatic 80 movement delivers reliability and precision thanks to the innovative Nivachron hairspring. With 80 hours of power reserve, it's a modern movement designed to keep pace with busy lifestyles. It is this special steel that gives the dial and case their marbled effect. The leather strap is interchangeable and easy to open.